Answer
C) 30
Work Step by Step
$y=6$
$.25x+.67y=.33(x+y)$
$.25x+.67y=.33(x+y)$
$.25x+.67*6=.33(x+6)$
$.25x+4 = .33x+2$
$.25x+4-.25x-2 = .33x+2-.25x-2$
$2 = 1/12*x$
$2*12 = 1/12*x*12$
$24 = x$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - 6-4 Application of Linear Systems - Standardized Test Prep - Page 388: 29
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